
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://unpkg.com/vue@next"></script>
</head>
<body>
    <div id="root"></div>
    
</body>
<script>


    const app = Vue.createApp({
        components: {
        },
        data(){
            return {
              desc:"这是一段文字描述"
            }
        },
        methods:{
            clickEvent(){
                alert(1)
            }
        },
        template:
        `
            <div>
                <test>
                    <button @click="clickEvent">{{desc}}</button>    
                </test>
                <test>
                    <comp/>   
                </test>
                <test>
                     
                </test>
            </div>
        `
    });


    app.component('comp', {
        template:`<div style="background:green;">子组件</div>`
    });

    app.component('test', {
        props: {
            
        },
        methods: {
           
        },
        template: 
        `
            <div>
                <input/>
                <slot>插槽默认值</slot>    
            </div>
        `
    });

    const vm = app.mount("#root");
</script>
</html>